net: alx: remove redundant variable old_duplex

Variable old_duplex is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable 'old_duplex' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index 5e5022f..6d32211 100644 (file)
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -1279,7 +1279,6 @@ static void alx_check_link(struct alx_priv *alx)
        struct alx_hw *hw = &alx->hw;
        unsigned long flags;
        int old_speed;
-       u8 old_duplex;
        int err;
 
        /* clear PHY internal interrupt status, otherwise the main
@@ -1288,7 +1287,6 @@ static void alx_check_link(struct alx_priv *alx)
        alx_clear_phy_intr(hw);
 
        old_speed = hw->link_speed;
-       old_duplex = hw->duplex;
        err = alx_read_phy_link(hw);
        if (err < 0)
                goto reset;